secwatch.observer — SEC 8-K summary ====================================== Issuer: OLD SECOND BANCORP INC (OSBC) CIK: 0000357173 Form: 8-K Filed at: 2026-10-01T15:00:10+00:00 Accession: 0000357173-26-000050 Event type: other Sentiment: neutral Materiality: 0.15 LLM model: deepseek-v4.1-flash:cloud@v2 Old Second Bancorp sets Q3 2026 earnings release for Oct 21; call Oct 22 ------------------------------------------------------------------------ - Old Second Bancorp (Nasdaq: OSBC) will release third-quarter 2026 financial results after the market closes on October 21, 2026. - Earnings call is scheduled for Thursday, October 22, 2026 at 10:00 a.m. Eastern Time (9:00 a.m. Central Time) via live webcast. - Webcast replay will be posted in the Events section of investors.oldsecond.com and remain available for up to one year. - No quarterly figures, guidance or other operating results were disclosed; the notice is purely a scheduling announcement. - Filing signed by Bradley S. Adams, Executive Vice President, Chief Operating Officer and Chief Financial Officer. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/357173/000035717326000050/0000357173-26-000050-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/357173/000035717326000050/osbc-20261001x8k.htm HTML page: https://secwatch.observer/filing/0000357173-26-000050 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer